rtl/if_common: initial commit, moved out of gfx

1 files changed, 61 insertions, 0 deletions

diff --git a/rtl/if_common/if_axil.sv b/rtl/if_common/if_axil.sv
new file mode 100644
index 0000000..cf67e3f
--- /dev/null
+++ b/rtl/if_common/if_axil.sv
@@ -0,0 +1,61 @@
+// AXI4-Lite, sin wstrb ni axprot
+interface if_axil
+#(int WIDTH = 32);
+
+	logic              awvalid;
+	logic              awready;
+	logic[WIDTH - 1:0] awaddr;
+
+	logic              wvalid;
+	logic              wready;
+	logic[WIDTH - 1:0] wdata;
+
+	logic bvalid;
+	logic bready;
+
+	logic              arvalid;
+	logic              arready;
+	logic[WIDTH - 1:0] araddr;
+
+	logic              rvalid;
+	logic              rready;
+	logic[WIDTH - 1:0] rdata;
+
+	modport m
+	(
+		input  awready,
+		       wready,
+		       bvalid,
+		       arready,
+		       rvalid,
+		       rdata,
+
+		output awvalid,
+		       awaddr,
+		       wvalid,
+		       wdata,
+		       bready,
+		       arvalid,
+		       araddr,
+		       rready
+	);
+
+	modport s
+	(
+		input  awvalid,
+		       awaddr,
+		       wvalid,
+		       wdata,
+		       bready,
+		       arvalid,
+		       araddr,
+		       rready,
+
+		output awready,
+		       wready,
+		       bvalid,
+		       arready,
+		       rvalid,
+		       rdata
+	);
+endinterface